body {
  background: rgb(3, 0, 39) !important;
}
:root {
  --bg: #04111f;
  --panel: rgba(10, 19, 35, 0.92);
  --line: rgba(56, 189, 248, 0.18);
  --text: #f8fbff;
  --muted: #b9c9dd;
  --accent: #38bdf8;
  --accent-2: #7dd3fc;
  --success: #22c55e;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 20px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}
body {

}
body {
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 25%),
    linear-gradient(180deg, var(--bg) 0%, #020814 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  min-height: 100vh;
  background:
    linear-gradient(rgba(4, 17, 31, 0.84), rgba(4, 17, 31, 0.95)),
    url("https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
  padding: 22px 0 70px;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 0.7rem 0;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 1.6px;
  color: var(--accent-2);
}

.logo-wrap img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(125, 211, 252, 0.45);
  background: #fff;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #dbeafe;
  opacity: 0.92;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 28px;
  align-items: center;
  flex: 1;
  padding-top: 70px;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  color: var(--accent-2);
  border-radius: 999px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  background: rgba(14, 165, 233, 0.08);
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  line-height: 0.98;
  margin-bottom: 22px;
  letter-spacing: -2px;
}

h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 30px;
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #02101b;
}

.btn-primary:hover,
.btn-secondary:hover,
.filter-btn:hover,
.tool-card:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  border-color: var(--accent);
  color: #e0f2fe;
  background: transparent;
}

.hero-panel,
.card,
.tool-card,
.estimator,
.faq-item,
.contact-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.hero-stat {
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(8, 24, 43, 0.96), rgba(9, 51, 85, 0.96));
  border: 1px solid rgba(125, 211, 252, 0.12);
}

.hero-stat strong {
  display: block;
  color: var(--accent-2);
  font-size: 1.9rem;
  margin-bottom: 6px;
}

section {
  padding: 90px 0;
}

.section-title {
  margin-bottom: 40px;
  max-width: 840px;
}

.section-title h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 12px;
  line-height: 1.1;
}

.section-title p {
  color: #9db1c9;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  padding: 28px;
}

.card h3 {
  color: var(--accent-2);
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.card p {
  color: #d4dfec;
}

.dark-section {
  background: linear-gradient(180deg, rgba(8, 17, 31, 0.7), rgba(6, 15, 28, 0.9));
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.tool-card {
  padding: 28px;
  transition: transform 0.2s ease;
}

.tool-card h3 {
  margin-bottom: 14px;
  color: var(--accent-2);
}

.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.filter-btn.active {
  background: var(--accent);
  color: #02101b;
  border-color: transparent;
}

.project-card.hidden {
  display: none;
}

.project-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-2);
}

.estimator-wrap {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 22px;
}

.estimator {
  padding: 28px;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.estimator label,
.contact-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.input,
select,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px;
}

.check-group {
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.estimate-result {
  background: linear-gradient(135deg, rgba(8, 24, 43, 0.96), rgba(7, 54, 88, 0.96));
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  align-content: center;
  gap: 10px;
}

.estimate-result strong {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: #fff;
}

.estimate-result p {
  color: #d3e6f8;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 0;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 700;
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
}

.faq-item.open .faq-answer {
  display: block;
}

.contact {
  background:
    linear-gradient(rgba(8, 17, 31, 0.9), rgba(8, 17, 31, 0.96)),
    url("https://images.unsplash.com/photo-1563986768609-322da13575f3?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.contact-box {
  padding: 28px;
}

.contact-title {
  margin-bottom: 12px;
  color: var(--accent-2);
}

.contact-box p,
.contact-box li {
  color: var(--muted);
}

.contact-box ul {
  padding-left: 18px;
  margin-top: 12px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.status {
  color: var(--success);
  font-weight: 700;
  min-height: 24px;
}

footer {
  padding: 28px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  color: #94a3b8;
  text-align: center;
  background: #020617;
}

@media (max-width: 920px) {
  .hero,
  .tool-grid,
  .estimator-wrap,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .menu-btn {
    display: inline-block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0 0;
  }

  .nav-links.open {
    display: flex;
  }

  nav {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  section {
    padding: 72px 0;
  }

  .container {
    width: min(100% - 1.2rem, 1180px);
  }

  h1 {
    letter-spacing: -1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}